Calcium nitrate deficiency in tomatoes can cause several issues, including: Symptoms 1. Blossom End Rot (BER) : A common symptom of calcium deficiency, characterized by a brown or black spot on the blossom end of the fruit. 2.Fruit cracking : Tomatoes may develop cracks or splits, especially around the blossom end. 3. Weakened plant structure : Calcium deficiency can lead to weakened cell walls, making plants more susceptible to disease and pests. #udhayaagri #reels #trending #instagram #viral #